<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>

<div id="app">
    <cpn :c-info="info" :child-my-message="message"></cpn>
</div>

<template id="cpn">
    <div>
        <h2>{{cinfo}}</h2>
        <h2>{{childMyMessage}}</h2>
    </div>
</template>

<script src="../js/vue.js"></script>
<script>
    const cpn = {
        template: '#cpn',
        props: {
            cinfo: {
                type: Object,
                default() {
                    return {}
                }
            },
            childMyMessage: {
                type: String,
                default: ''
            }
        }
    }

    const app = new Vue({
        el: '#app',
        data: {
            info: {
                name: 'why',
                age: 18,
                height: 1.88
            },
            message: 'aaaaaa'
        },
        components: {
            cpn
        }
    })
</script>

</body>
</html>